Billet Input Shaft

Features:

• Supports over 800 rear wheel horsepower
• Designed for high torque applications
• Ideal for towing and racing use
• Highly recommended for PPE Stage kits
• Transfers power from converter to transmission
• Made from durable billet steel
• Improves drivetrain strength and reliability
• Reduces risk of shaft failure under load
• Essential upgrade for performance builds
• Compatible with 2001–2016 Duramax trucks

Built For Trucks That Refuse To Back Down

If you're building a Duramax that’s expected to haul heavy loads, push serious horsepower, or spend weekends at the track, you’ll need a transmission input shaft that’s ready to handle real punishment. The PPE Billet Input Shaft is that kind of upgrade. Engineered to support over 800 rear wheel horsepower, this shaft delivers the kind of strength and reliability that stock components simply can’t match. Whether you're towing up a steep grade or launching off the line, this billet upgrade ensures you won’t get sidelined by twisted metal. It’s a key ingredient in building a transmission that can keep up with the rest of your performance parts. When combined with PPE’s Stage4, Stage5, or Stage6 kits, it forms the backbone of a drivetrain built to win. For any serious build, this is one upgrade that pulls its weight and then some.

Engineered For Serious Power Delivery And Durability

The PPE Billet Input Shaft is specifically crafted to transfer torque from the converter to the transmission while withstanding the harsh demands of high-performance use. Made from premium billet steel, this shaft is precision-machined to prevent flexing or failure under stress. It’s been tested to hold strong at power levels exceeding 800 RWHP, making it a must-have for any Duramax running aggressive tuning, big turbos, or heavy towing applications. Its robust design ensures smoother power delivery and improved drivetrain longevity, especially when mated with PPE’s Stage series transmission kits. This shaft is more than just a replacement, it's a performance-focused solution designed to reduce drivetrain vulnerability under heavy loads. Whether your truck is used for competition, work, or a combination of both, this component brings peace of mind every time you step on the throttle.

Fitment: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Notes:

• Recommended for trucks making over 800 RWHP
• Designed to handle extreme torque and load stress
• Ideal for high-performance, towing, or racing applications
• Best paired with PPE Stage4, Stage5, or Stage6 kits
• Replaces stock input shaft with stronger billet version
• Reduces risk of drivetrain failure under heavy acceleration
• Essential upgrade for built transmissions
• Transfers power from torque converter to transmission
• Increased durability compared to OEM input shafts
• Critical for reliability in high-stress conditions